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Sixth Street Center 1131 W 6th St 1,231 - 29,106 SF of Office Space Available in Ontario, CA 91762
HIGHLIGHTS
- Renovated three-story professional building with rooftop terrace
- Ideal for office and medical office users with flexible suite options
- Surrounded by retail and dining amenities near Ontario Mills Mall
- Prime Ontario location near I-10 and major Southern California freeways
- High ceilings, excellent window line, dual elevators, and ample parking
ALL AVAILABLE SPACES(7)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Reception, 4 Private Offices, Storage, and Open Area
- Listed rate may not include certain utilities, building services and property expenses
- 4 Private Offices
- Reception Area
- High Ceilings
- After Hours HVAC Available
- Smoke Detector
- Easy Connection to the 15,57,60 and 210 Freeways
- Fully Built-Out as Standard Office
- Central Air and Heating
- Elevator Access
- Natural Light
- Open-Plan
- Wheelchair Accessible
Reception, 7 Private Offices, Open Office, Kitchen
- Rate includes utilities, building services and property expenses
- 7 Private Offices
- Reception Area
- Fully Built-Out as Standard Office
- Central Air Conditioning
- Kitchen
4 Private Offices, Open Office
- Rate includes utilities, building services and property expenses
- 4 Private Offices
- Fully Built-Out as Standard Office
- Atrium
Open Area, 2 Private Offices
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fully Built-Out as Standard Office
- 2 Private Offices
Open Area and One Private Office.
- Listed rate may not include certain utilities, building services and property expenses
- Open Floor Plan Layout
- Space is in Excellent Condition
- Elevator Access
- After Hours HVAC Available
- Wheelchair Accessible
- Fully Built-Out as Standard Office
- 1 Private Office
- Central Air and Heating
- High Ceilings
- Open-Plan
- Ample Parking
Reception, 8 private offices, conference room, kitchen, 2 restrooms, bullpen.
- Rate includes utilities, building services and property expenses
- 8 Private Offices
- Can be combined with additional space(s) for up to 19,403 SF of adjacent space
- Suites 305 & 350 - contiguous up to 19,403 sf
- Fully Built-Out as Standard Office
- Conference Rooms
- Reception Area
Reception, 8 Private Offices, Open Office, Kitchen, 3 Storage Rooms, Conference Room, Exclusive Atrium.
- Rate includes utilities, building services and property expenses
- 8 Private Offices
- Can be combined with additional space(s) for up to 19,403 SF of adjacent space
- Reception Area
- Suites 305 & 350 - contiguous up to 19,403 sf
- Fully Built-Out as Standard Office
- Conference Rooms
- Central Air Conditioning
- Kitchen
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 1st Floor, Ste 105 | 1,231 SF | 1-5 Years | $22.80 /SF/YR $1.90 /SF/MO $28,067 /YR $2,339 /MO | Office | Full Build-Out | Now |
| 1st Floor, Ste 110 | 4,056 SF | 1-5 Years | $24.00 /SF/YR $2.00 /SF/MO $97,344 /YR $8,112 /MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 227 | 1,525 SF | 1-5 Years | $22.80 /SF/YR $1.90 /SF/MO $34,770 /YR $2,898 /MO | Office | Full Build-Out | 30 Days |
| 2nd Floor, Ste 250 | 1,291 SF | 1-5 Years | $22.80 /SF/YR $1.90 /SF/MO $29,435 /YR $2,453 /MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 260-A | 1,600 SF | Negotiable | $22.80 /SF/YR $1.90 /SF/MO $36,480 /YR $3,040 /MO | Office | Full Build-Out | Now |
| 3rd Floor, Ste 305 | 7,878 SF | 1-5 Years | $22.80 /SF/YR $1.90 /SF/MO $179,618 /YR $14,968 /MO | Office | Full Build-Out | 30 Days |
| 3rd Floor, Ste 350 | 11,525 SF | 1-5 Years | $22.80 /SF/YR $1.90 /SF/MO $262,770 /YR $21,898 /MO | Office | Full Build-Out | Now |
1st Floor, Ste 105
| Size |
| 1,231 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $28,067 /YR $2,339 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 110
| Size |
| 4,056 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $24.00 /SF/YR $2.00 /SF/MO $97,344 /YR $8,112 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 227
| Size |
| 1,525 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $34,770 /YR $2,898 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| 30 Days |
2nd Floor, Ste 250
| Size |
| 1,291 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $29,435 /YR $2,453 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 260-A
| Size |
| 1,600 SF |
| Term |
| Negotiable |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $36,480 /YR $3,040 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
3rd Floor, Ste 305
| Size |
| 7,878 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $179,618 /YR $14,968 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| 30 Days |
3rd Floor, Ste 350
| Size |
| 11,525 SF |
| Term |
| 1-5 Years |
| Rental Rate |
| $22.80 /SF/YR $1.90 /SF/MO $262,770 /YR $21,898 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 105
| Size | 1,231 SF |
| Term | 1-5 Years |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Reception, 4 Private Offices, Storage, and Open Area
- Listed rate may not include certain utilities, building services and property expenses
- Fully Built-Out as Standard Office
- 4 Private Offices
- Central Air and Heating
- Reception Area
- Elevator Access
- High Ceilings
- Natural Light
- After Hours HVAC Available
- Open-Plan
- Smoke Detector
- Wheelchair Accessible
- Easy Connection to the 15,57,60 and 210 Freeways
1st Floor, Ste 110
| Size | 4,056 SF |
| Term | 1-5 Years |
| Rental Rate | $24.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Reception, 7 Private Offices, Open Office, Kitchen
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- 7 Private Offices
- Central Air Conditioning
- Reception Area
- Kitchen
2nd Floor, Ste 227
| Size | 1,525 SF |
| Term | 1-5 Years |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | 30 Days |
4 Private Offices, Open Office
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- 4 Private Offices
- Atrium
2nd Floor, Ste 250
| Size | 1,291 SF |
| Term | 1-5 Years |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Open Area, 2 Private Offices
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- 2 Private Offices
2nd Floor, Ste 260-A
| Size | 1,600 SF |
| Term | Negotiable |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Open Area and One Private Office.
- Listed rate may not include certain utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Open Floor Plan Layout
- 1 Private Office
- Space is in Excellent Condition
- Central Air and Heating
- Elevator Access
- High Ceilings
- After Hours HVAC Available
- Open-Plan
- Wheelchair Accessible
- Ample Parking
3rd Floor, Ste 305
| Size | 7,878 SF |
| Term | 1-5 Years |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | 30 Days |
Reception, 8 private offices, conference room, kitchen, 2 restrooms, bullpen.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- 8 Private Offices
- Conference Rooms
- Can be combined with additional space(s) for up to 19,403 SF of adjacent space
- Reception Area
- Suites 305 & 350 - contiguous up to 19,403 sf
3rd Floor, Ste 350
| Size | 11,525 SF |
| Term | 1-5 Years |
| Rental Rate | $22.80 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Reception, 8 Private Offices, Open Office, Kitchen, 3 Storage Rooms, Conference Room, Exclusive Atrium.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- 8 Private Offices
- Conference Rooms
- Can be combined with additional space(s) for up to 19,403 SF of adjacent space
- Central Air Conditioning
- Reception Area
- Kitchen
- Suites 305 & 350 - contiguous up to 19,403 sf
PROPERTY OVERVIEW
Sixth Street Center offers a premier office environment in the heart of Ontario’s desirable commercial corridor. This renovated three-story building stands out as the only property of its size in the area, featuring a distinctive fourth-floor penthouse and rooftop terrace that elevate its appeal. Tenants benefit from high ceilings, abundant natural light through an excellent window line, and dual elevators for convenience. The property provides ample parking and is strategically positioned immediately south of the I-10 Freeway at Mountain Avenue, ensuring seamless connectivity to major routes including the 15, 57, 60, and 210 Freeways. Located near Ontario Mills Mall and Montclair Plaza, the building is surrounded by retail, dining, and service amenities, creating a vibrant work-life balance for occupants. Its central location between Los Angeles, Orange, Riverside, and San Bernardino counties makes it an ideal hub for businesses seeking regional accessibility. Sixth Street Center is perfectly suited for professional office and medical office users looking for a modern, functional space in a high-demand market.
- Atrium
- Air Conditioning
PROPERTY FACTS
CONTACTS
-
Andrew Peake -
Joseph Pierik -
Mason Wilson -
Lee & Associates Commercial Real Estate Service
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Sixth Street Center | 1131 W 6th St
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